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#include "line.ih"
bool Line::markerPattern()
{
smatch result;
// first match the end target
// 'ignore' is set at, e.g., -A
if (regex_match(d_line, result, s_markerEnd))
{
d_type = d_ignore ? IGNORE : ENDTARGET;
return true;
}
// no end target: match targets
if (regex_match(d_line, result, s_markerBegin))
{
if (result[0] != d_target) // no target, so it's text
d_type = d_ignore ? IGNORE : TEXT;
else if (d_target[2] != '+') // target w/o +, so std. target
d_type = d_ignore ? IGNORE : TARGET;
else
{ // `+' target, toggle begin/end
d_type = d_begin ? TARGET : ENDTARGET;
d_begin = not d_begin;
}
return true;
}
return false;
}
/*
If end-marker is matched, ignore (-A, //+...) or return ENDTARGET
At //+ target specifications: ignore all markers, toggle TARGET and
ENDTARGET if line == target
If a line matches a begin marker, but not the non //+ target, then return
it as text, or IGNORE if -A was specified
*/
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